Sodium Sulfite NF FCC EP BP size:50 KG colorless EXPIRATION DATE MANUFACTURE DATE

colorless EXPIRATION DATE MANUFACTURE DATE

Test Specification Min Max ASSAY (Fe[@2@]O[@3@]) APPROX

Test Specification Min Max ABSORPTION MAX 474 nm 474 nm VISUAL TRANSITION INTERVALS pH 3

10% RELATED SUBSTANCES:

Sodium Sulfite NF FCC EP BP size:50 KG colorless EXPIRATION DATE MANUFACTURE DATETest Specification Min Max ASSAY 95 100. 50% ELEMENTAL IMPURITIES AS REPORTED AS REPORTED LEAD (Pb) 2 mg kg SELENIUM (Se) 10 ppm THIOSULFATE TO PASS TEST TO PASS TEST APPEARANCE OF SOLUTION TO PASS TEST TO PASS TEST IRON (Fe) 10 ppm ZINC (Zn) 25. 0 ppm IDENTIFICATION TO PASS TEST TO PASS TEST EXPIRATION DATE DATE OF MANUFACTURE APPEARANCE RESIDUAL SOLVENTS TO PASS TEST TO PASS TEST